Walleye Trading
AMTM

Walleye Trading’s Amentum Holdings AMTM Stock Holding History

Walleye Trading’s Portfolio AMTM Stock Details AMTM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.77M Buy
106,300
+94,400
+793% +$2.96M ﹤0.01% 1492
2025
Q4 		$345K Sell
11,900
-11,100
-48% -$284K ﹤0.01% 3063
2025
Q3 		$551K Sell
23,000
-63,800
-74% -$1.55M ﹤0.01% 2672
2025
Q2 		$2.05M Sell
86,800
-45,800
-35% -$957K ﹤0.01% 1709
2025
Q1 		$2.41M Buy
132,600
+113,400
+591% +$2.31M 0.01% 1524
2024
Q4 		$404K Sell
19,200
-20,900
-52% -$540K ﹤0.01% 2778
2024
Q3 		$1.29M Buy
+40,100
New +$1.14M ﹤0.01% 1957

Other funds holding AMTM

AS
American Securities New York $3.93B AUM 52.22% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $9.73B AUM 55.65% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Walleye Trading's AMTM Position: Q1 2026 in Review

Walleye Trading opened a new position in Amentum Holdings (AMTM) in Q1 2026: 28,548 shares worth $745K. The stake represents ﹤0.01% of the portfolio and ranks #2325 among its holdings. This is a return to the name: Walleye Trading previously reported a position in AMTM as recently as Q1 2025.

Walleye Trading first reported a position in AMTM in Q4 2024 and has held it in 3 quarters since. The position peaked at $1.25M in Q1 2025. 486 funds tracked by Wall St. Rank hold AMTM as of Q1 2026.

  • Walleye Trading held 28,548 shares of Amentum Holdings worth $745K as of Q1 2026.
  • Amentum Holdings was a new Walleye Trading position in Q1 2026.
  • Amentum Holdings made up ﹤0.01% of Walleye Trading's portfolio in Q1 2026, its #2325 holding.
  • Walleye Trading first reported a position in Amentum Holdings in Q4 2024 and has held it in 3 quarters since.
  • Walleye Trading's Amentum Holdings position peaked at $1.25M in Q1 2025.
  • 486 funds tracked by Wall St. Rank held Amentum Holdings as of Q1 2026.

Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.